package com.zzxy.spring34.factory;

import com.zzxy.spring34.aspect.MyAspect;
import com.zzxy.spring34.service.IStudentService;
import com.zzxy.spring34.service.impl.StudentServiceImpl;
import net.sf.cglib.proxy.Enhancer;
import net.sf.cglib.proxy.MethodInterceptor;
import net.sf.cglib.proxy.MethodProxy;

import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;

public class MyBeanFactoryCglib {
    public static IStudentService createStudentServiceProxy(){
        //1.targer class
        StudentServiceImpl studentService=new StudentServiceImpl();
        //2.advice
        MyAspect aspect=new MyAspect();
        //3.weaving based jdk
        Enhancer enhancer=new Enhancer();
        enhancer.setSuperclass(studentService.getClass());
        enhancer.setCallback(new MethodInterceptor(){
            @Override
           public Object intercept(Object o,Method method,Object[] objects, MethodProxy methodProxy) throws Throwable{
                aspect.before();
                Object obj=methodProxy.invokeSuper(o,objects);
                aspect.after();
               return obj;
            }
        });
        return (StudentServiceImpl)enhancer.create();


    }
}

